Quality material: F-clamps are made of plastic material, sturdy and durable, delicate and practical; With fine manufacturing process, each F-clamp has good performance Special: One-handed release trigger, the special of the handle and trigger allows for easy one-handed operation; The wood bar clamp can be disassembled without damage and can be converted into a spreader, which is suitable for many kinds of DIY projects. Easy to use: the trigger handle can be held comfortably, just press the release button to slide the arm into the desired length, the wood will be clamped and held, which is convenient for your later work. Wide application: the 4 inch release clamp is a practical woodworking hand tool, widely used in furniture manufacturing and packaging industry, which can join small wooden boards into larger boards for gluing and woodworking projects. It is suitable for DIY woodworking, metal processing, modeling, etc. Package above, other products are not included. Note: Light